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Catch up with recent FP-related changes to scanf.3 and vfwscanf.c.

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This commit is contained in:
tjr 2003-07-05 07:47:55 +00:00
parent 12fd8e2ec7
commit 9b68d2b831
1 changed files with 16 additions and 31 deletions
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47
lib/libc/stdio/wscanf.3
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@ -34,10 +34,10 @@
.\" SUCH DAMAGE.
.\"
.\" @(#)scanf.3 8.2 (Berkeley) 12/11/93
.\" FreeBSD: src/lib/libc/stdio/scanf.3,v 1.17 2002/05/30 09:53:47 ru Exp
.\" FreeBSD: src/lib/libc/stdio/scanf.3,v 1.24 2003/06/28 09:03:25 das Exp
.\" $FreeBSD$
.\"
.Dd September 22, 2002
.Dd July 5, 2003
.Dt WSCANF 3
.Os
.Sh NAME
@ -174,7 +174,9 @@ and the next pointer is a pointer to a
(rather than
.Vt int ) ,
that the conversion will be one of
.Cm aefg
.Cm a , e , f ,
or
.Cm g
and the next pointer is a pointer to
.Vt double
(rather than
@ -198,15 +200,11 @@ and the next pointer is a pointer to a
.Vt int ) .
.It Cm L
Indicates that the conversion will be one of
.Cm aef
.Cm a , e , f ,
or
.Cm g
and the next pointer is a pointer to
.Vt "long double" .
(This type is not implemented; although the argument is
required to be a pointer to
.Vt "long double" ,
no additional precision is used in the conversion.)
.It Cm j
Indicates that the conversion will be one of
.Cm dioux
@ -303,29 +301,16 @@ the next pointer must be a pointer to
Matches an optionally signed hexadecimal integer;
the next pointer must be a pointer to
.Vt "unsigned int" .
.It Cm e , E , f , F , g , G
Matches an optionally signed floating-point number;
the next pointer must be a pointer to
.Vt float .
.It Cm a , A
Matches a hexadecimal number represented in the style
.Sm off
.Oo \- Oc Li 0x Ar h Li \&. Ar hhh Cm p Oo \\*[Pm] Oc Ar d .
.Sm on
This is an exact conversion of the sign, exponent, mantissa internal
floating point representation; the
.Sm off
.Oo \- Oc Li 0x Ar h Li \&. Ar hhh
.Sm on
portion represents exactly the mantissa; only denormalized
mantissas have a zero value to the left of the hexadecimal
point.
The
.Cm p
is a literal character
.Ql p ;
the exponent is preceded by a positive or negative sign
and is represented in decimal.
.It Cm a , A , e , E , f , F , g , G
Matches a floating-point number in the style of
.Xr wcstod 3 .
The next pointer must be a pointer to
.Vt float
(unless
.Cm l
or
.Cm L
is specified.)
.It Cm s
Matches a sequence of non-white-space wide characters;
the next pointer must be a pointer to